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GeoGebra
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Author:
Tao Chi
New Resources
Open Middle: Distance, Midpoint, Slope (3)
Incircle, Excircles, Gergonne and Nagel
Quadrilateral Vocabulary
Open Middle: Build a Trig Equation (7)
Evaluating Inverse Trig Functions of Special Ratios
Discover Resources
Quadratic Function: Squirrel
利用單位圓繪畫 y = sin q 及 y = cos q 的圖像
Translation, Rotation
Cubiod and its faces
Test
Discover Topics
Complex Numbers
Square
Median Line
Quadrilaterals
Polynomial Functions